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NOTE: DIAGRAMS & ILLUSTRATION NOT TO SCALE.
2
These heaters are manually controlled. Models
VF4000-CMN-2 and VF4000-CMP-2 feature a
gas valve incorporating a millivolt operating
system.
A spark ignition system (piezo) allows the heater
pilot gas to be lit without the use of matches or
batteries and permits operation of the heater
during a power outage.
These heaters are fitted with a specially de-
signed pilot (ODS) which responds to the
amount of oxygen available in the room and
shuts the heater off before the oxygen level
drops below 18%. The pilot can be relit only
when fresh air is available. Refer to the Com-
bustion and Ventilation Air section.
The VF4000 Series Unvented Room Heaters
may be built into a framed wall, or installed in an
optional oak surround.
This heater has been tested to the standards of
ANSI Z21.11.2 unvented heaters.
Do not install these unvented room heaters in
a bedroom or bathroom as all units exceed
maximum allowable BTU/Hr input of 10,000.
Inventory
Unvented Gas Fireplace
Gas connection fittings
Installation and Operating Instructions
Tools and Building Supplies
Normally Required
Tools Should Include:
Phillips screwdriver
Hammer
Saw and/or Sabersaw
Measuring tape
Electric drill and bits
Pliers
Square
Piping complying with local codes
Pipe wrench
TABLE OF CONTENTS
General Information......................... page 2
Inventory ......................................... page 2
Tools and Building Supplies ............ page 2
Installation Applications .................. page 2
Important Safety Information .......... page 2
Codes .............................................. page 3
Combustion and Ventilation Air ....... page 3
Location of Fireplace ....................... page 4
Clearances ....................................... page 5
Preinstallation.................................. page 5
Installation – Built-In ....................... page 5
Connecting Gas Line........................ page 6
Gas Pressure Check......................... page 6
Electrical Wiring – Optional Blower . page 7
Finished Wall Details ....................... page 8
Installation – Surround .................... page 8
Log Assembly.................................. page 8
Flame Appearance ........................... page 9
Optional Equipment ......................... page 10
Forced Air Kit................................... page 10
Operation and Care .......................... page 11
Cleaning and Servicing .................... page 11
Replacement Parts .......................... page 11
Accessories/Components ................ page 12
Appliance Specifications.................. page 13
CH Operating Instructions ............... page 14
CM Operating Instructions............... page 16
Troubleshooting Guide .................... page 17
Replacement Parts List.................... page 18
Replacement Parts .......................... page 19
Valve Regulator Pressure Gas Inlet
Model No. Gas Type Maximum BTU/HR Operation Ignition Setting Pressure
VF4000-CHN-2 Natural 25,000 Manual Piezo 5" w.c. Max 10 ¹⁄₂" w.c.
VF4000-CMN-2 Min. 6" w.c.
VF4000-CHP-2 Propane/ 25,000 Manual Piezo 10" w.c. Max 13" w.c.
VF4000-CMP-2 LPG Min. 11" w.c.
UNVENTED GAS ROOM HEATER SPECIFICATIONS AND TECHNICAL DETAILS
Tee joint
Pipe compound
Building Supplies Should Include:
Framing materials
Wall finishing materials
Caulking materials (noncombustible)
Fireplace surround materials
Installation Applications
1. Fireplace built into a framed wall.
2. Fireplace installed with oak surround and/
or platform (Refer to the SUR-5/6 unfin-
ished oak veneer surround installation in-
structions, P/N 903593).
Check the inventory list to be sure that you have
all the necessary parts in usable condition. Also
check for concealed damage.
IMPORTANT SAFETY INFORMATION
INSTALLER: PLEASE LEAVE THESE INSTRUC-
TIONS WITH THE OWNER.
OWNER: PLEASE RETAIN THESE INSTRUC-
TION FOR FUTURE REFERENCE.
IMPORTANT: BEFORE STARTING YOUR
HEATER INSTALLATION, READ THESE INSTAL-
LATION INSTRUCTIONS CAREFULLY TO BE
SURE YOU UNDERSTAND THEM COMPLETELY
AND IN ENTIRETY. FAILURE TO FOLLOW
THESE INSTRUCTIONS COULD CAUSE A
HEATER MALFUNCTION RESULTING IN SERI-
OUS INJURY AND/OR PROPERTY DAMAGE.
GENERAL INFORMATION
The VF4000 Series Unvented Room Heaters
covered in this manual feature ceramic fiber
split logs which glow realistically when the
heater is operating.
WARNING: THESE APPLIANCES ARE
DESIGNED TO OPERATE ON NATURAL
OR PROPANE GAS ONLY. THE USE OF
OTHER FUELS OR COMBINATION OF
FUELS WILL DEGRADE THE PERFOR-
MANCE OF THIS SYSTEM AND MAY BE
DANGEROUS.